Which preposition to use with knockings

at Occurrences 66%

[A knocking at the Garden-gate.

on Occurrences 11%

Presently I heard a knocking on the boards.

of Occurrences 8%

CHAPTER III With a strange knocking of his heart, high up toward his throat, Kurt Dorn stood stock-still, watching the moving cloud of dust until it disappeared over the hill.

about Occurrences 3%

They have stood the knocking about of three worlds already; and have done their duty therein; and they are ready (if you choose to mend the road with them) to stand the knocking about of this fourth world, and being most excellent gravel, to do their duty in this world likewise; which is more, I fear, than either you or I can say for ourselves.

from Occurrences 2%

She had moved farther down-town, against car fare; but because she talked now constantly in her sleep and often cried out, there were knockings from the opposite side of the partitions and oaths.

in Occurrences 1%

The odd knockings in the roof I frequently heard myself.

out Occurrences 1%

In other cases it is not contempt for animals but respect for them that accounts for the knocking out of teeth.

Which preposition to use with  knockings